<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport"
        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <title>Mesh</title>
    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
    <script src="../Build/Cesium/Cesium.js"></script>
    <script src="plugin/CesiumMeshVisualizer.js"></script>
    <style>
        html,
        body,
        #cesiumContainer {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
            overflow: hidden;
        }
    </style>

</head>

<body>
    <div id="cesiumContainer"></div>

    <script>
        let osm = Cesium.createOpenStreetMapImageryProvider({
            url: 'https://a.tile.openstreetmap.org/'
        });
        let viewer = new Cesium.Viewer('cesiumContainer', {
            imageryProvider: osm,
            contextOptions: {
                webgl: {
                    alpha: true
                }
            },
            selectionIndicator: false,
            animation: false,  //是否显示动画控件
            baseLayerPicker: false, //是否显示图层选择控件
            geocoder: false, //是否显示地名查找控件
            timeline: false, //是否显示时间线控件
            sceneModePicker: false, //是否显示投影方式控件
            navigationHelpButton: false, //是否显示帮助信息控件
            infoBox: false,  //是否显示点击要素之后显示的信息
            fullscreenButton: false
        });

        //取消双击事件
        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
        //设置homebutton的位置
        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
            Cesium.Rectangle.fromDegrees(110.15, 34.54, 110.25, 34.56);//Rectangle(west, south, east, north)
        //设置初始位置
        // viewer.camera.setView({
        //     destination: Cesium.Cartesian3.fromDegrees(117.220206, 31.834866, 500)
        // });
        //开启深度检测
        //viewer.scene.globe.depthTestAgainstTerrain = true;

        look(117.220206, 31.834866, 5e4);

        let MeshVisualizer = Cesium.MeshVisualizer;
        let Mesh = Cesium.Mesh;
        let MeshMaterial = Cesium.MeshMaterial;
        let FramebufferTexture = Cesium.FramebufferTexture;
        let GeometryUtils = Cesium.GeometryUtils;
        let LOD = Cesium.LOD;

        let e = Cesium.Cartesian3.fromDegrees(117.220206, 31.834866, 500);
        let i = Cesium.Transforms.eastNorthUpToFixedFrame(e);
        let r = new MeshVisualizer({
            modelMatrix: i,
            up: { z: 1 },
            referenceAxisParameter: {
                length: 11e3,
                width: 10,
                headLength: 100,
                headWidth: 20
            }
        });
        viewer.scene.primitives.add(r);

        r.showReference = !0;
        let s = new MeshMaterial({
            defaultColor: "rgba(200,0,0,1.0)",
            wireframe: !0,
            side: MeshMaterial.Sides.FRONT
        });
        let t = new Cesium.SphereGeometry({
            radius: 5e3,
            vertexFormat: Cesium.VertexFormat.POSITION_ONLY
        });
        let a = new Mesh(t, s);
        a.position.z += 5e3;
        r.add(a);
        setInterval(function () {
            a.rotation.angle += 1;
            a.modelMatrixNeedsUpdate = !0;
        }, 20)


        function look(e, i, r) {
            let s = Cesium.Cartesian3.fromDegrees(e, i);
            let t = Cesium.Transforms.eastNorthUpToFixedFrame(s);
            let a = viewer.camera;
            a.constrainedAxis = Cesium.Cartesian3.UNIT_Z;
            a.lookAtTransform(t, new Cesium.Cartesian3(-r, -r, r));
            setTimeout(function () {
                a.lookAtTransform(Cesium.Matrix4.IDENTITY)
            }, 100)
        }

    </script>
</body>

</html>